We finally have the first full trailer for the long-in-development mega project The Dark Tower!

The film follows gunslinger Roland Deschain (Idris Elba) and the sorcerer known as the Man in Black (Matthew McConaughey) who are on a quest to reach the mystical tower that stands at the nexus of countless dimensions, in a post-apocaplyptic Earth.

U.S. release is scheduled for August 4th, with the international release starting a week before.